1694048384 has 48 divisors (see below), whose sum is σ = 3925874430. Its totient is φ = 726018048.

The previous prime is 1694048383. The next prime is 1694048387. The reversal of 1694048384 is 4838404961.

It can be written as a sum of positive squares in only one way, i.e., 1386817600 + 307230784 = 37240^2 + 17528^2 .

It is a super-2 number, since 2×1694048384² = 5739599854666022912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1694048383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128777 + ... + 141320.

Almost surely, 2^1694048384 is an apocalyptic number.

1694048384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1694048384 is an abundant number, since it is smaller than the sum of its proper divisors (2231826046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1694048384 is an equidigital number, since it uses as much as digits as its factorization.

1694048384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270125 (or 270106 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 1694048384 is about 41158.8190306768. The cubic root of 1694048384 is about 1192.0887881853.

The spelling of 1694048384 in words is "one billion, six hundred ninety-four million, forty-eight thousand, three hundred eighty-four".